o-Dichlorobenzene
City of Oxford
o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 600 ppb
The EWG Health Guideline of 600 ppb for o-dichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 600 ppb
The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-06-16 | 140617-025VO | ND |
2014-06-16 | 140617-026VO | ND |
2014-06-16 | 140617-027VO | ND |
2014-09-08 | 140909-011VO | ND |
2015-07-15 | 150716-002VO | ND |
2015-07-15 | 150716-003VO | ND |
2015-07-15 | 150716-004VO | ND |
2018-01-29 | 180130-016VO | ND |
2018-05-02 | 180503-015VO | ND |
2018-08-13 | 180814-016VO | ND |
2018-10-15 | 181016-010VO | ND |
2019-03-06 | 190307-003VO | ND |
2019-04-30 | 190501-029VO | ND |
2019-08-12 | 190813-021VO | ND |